How does DEDECMS prohibit visitors from posting comments?

DEDECMS How to ban visitors from posting comments?

1. Click on the background system settings → Basic system parameters → Add a new variable

The variable name is: cfg_feedback_guest The variable value is 1 Type Boolean

Recommended learning ：梦Weavercms

2. Modify the feedback.php file under the plus folder

Modify the code as follows: Replace lines 276---313 with:

The code is as follows:

//检查游客是否可以发表评论 
if($cfg_feedback_guest=='N') 
{ 
//检查用户登录 
if(empty($notuser)) 
{ 
$notuser=0; 
} 
//匿名发表评论 
if($notuser==1) 
{ 
$username = $cfg_ml->M_ID > 0 ? '匿名' : '游客'; 
} 
else if($cfg_ml->M_ID > 0) 
{ 
$username = $cfg_ml->M_UserName; 
} 
else 
{ 
if($username!='' && $pwd!='') 
{ 
$rs = $cfg_ml->CheckUser($username,$pwd); 
if($rs==1) 
{ 
$dsql->ExecuteNoneQuery("Update `dede_member` set logintime='".time()."',loginip='".GetIP()."' where mid='{$cfg_ml->M_ID}'; "); 
} 
else 
{ 
ResetVdValue(); 
ShowMsg('管理员设置了游客不允许发表评论，请先登入或注册！','-1'); 
exit(); 
} 
} 
else 
{ 
ResetVdValue(); 
ShowMsg('管理员设置了游客不允许发表评论，请先登入或注册！','-1'); 
exit(); 
} 
} 
} 
else 
{ 
//检查用户登录 
if(empty($notuser)) 
{ 
$notuser=0; 
} 
//匿名发表评论 
if($notuser==1) 
{ 
$username = $cfg_ml->M_ID > 0 ? '匿名' : '游客'; 
} 
//已登录的用户 
else if($cfg_ml->M_ID > 0) 
{ 
$username = $cfg_ml->M_UserName; 
} 
//用户身份验证 
else 
{ 
if($username!='' && $pwd!='') 
{ 
$rs = $cfg_ml->CheckUser($username,$pwd); 
if($rs==1) 
{ 
$dsql->ExecuteNoneQuery("Update `dede_member` set logintime='".time()."',loginip='".GetIP()."' where mid='{$cfg_ml->M_ID}'; "); 
} 
else 
{ 
$username = '游客'; 
} 
} 
else 
{ 
$username = '游客'; 
} 
} 
}

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